Kegger carb adaptor
I can't think of any good reason why it wouldn't work, I've seen some truly horrid intake designs over the years and the kegger isn't one of them. the only reason some give it a bad rap is due to it being designed for towing and torque. the later kegger manifolds have a cast-in divider in the plenum which would probably be beneficial for getting a strong signal and preventing fuel from coming out of suspension (which happens to some degree on any carburetored vehicle to some degree). If you already have the carburetor there shouldn't be much stopping you. An adaptor could be fabbed out of aluminium or even timber with a router for testing purposes. hood clearance may be a potential issue though. good luck! don't forget to let us know how it goes.